Nanjing Chervon Industry Co., Ltd.

Chervon (Hk) Limited

Junliu Zhang

Jingdong Hao

Wei Jun Zhang

Liang Chen

Xiangqing Fu

Xiaoyong Wang

Chengyu Zheng

Changxi Dai

A nail gun includes: a housing formed with an accommodating space; a cylinder; a firing assembly capable of moving from an initial position to a firing position; a power output assembly disposed in the accommodating space and used for outputting a driving force; and a drive wheel connected to an output shaft of the power output assembly and used for driving, under the drive of the power output assembly, the firing assembly to move. The drive wheel has a first drive tooth and second drive teeth, the radius of the addendum circle of the first drive tooth is less than the radius of the addendum circle of a second drive tooth, the first drive tooth is a drive tooth disposed at a start end of the drive wheel, and the first drive tooth meshes with the firing assembly when the drive wheel starts driving the firing assembly to reset.

Nail gun

A nail gun includes a housing, a power output assembly, a cylinder, and a firing assembly. At least a part of the power output assembly is disposed in the housing. At least a part of the cylinder is disposed in the housing. The firing assembly includes a firing pin provided with a first drive teeth capable of being driven, the first drive teeth includes a locking tooth provided with a rotating shaft, the rotating shaft is provided with a roller wheel, and the roller wheel is rotatable about a rotating axis.

A through-hole type power ratchet wrench includes a socket bracket, a swingable member, a ratchet socket, first and second pawls, and first and second resilient elements. The swingable member is disposed in the socket bracket and adjacent to an outer surface of the ratchet socket. The pawls are swingably fixed on the swingable member. The pawls, biased by the respective resilient elements, tend to engage with the outer surface of the ratchet socket. The wrench also includes a limiting member configured to isolate one of the first and second pawls from the ratchet socket. The limiting member is formed with an opening adapted for allowing one of the pawls to pass therethrough, and the limiting member is moveable about the ratchet socket between first and second positions. The opening of the limiting member faces towards the first pawl and second pawls when at the first and second positions, respectively.

Through-hole type power ratchet wrench

Circular saw

Growing community of inventors

Nanjing, China

Junliu Zhang